Panasonic Multi-Zone 4-Way Indoor Unit, 3/4 in, 208/230 VAC, 3.5/3.2 A Cooling, 4.2/4.7 A Heating, 630 W Cooling, 940 W Heating, 60 Hz, 1 ph Phase, 5 Number of Fan Speeds, 9000 Btu/hr, 400 cfm CFM Rating, 15 A Fuse Rating, 36 dBA High, 30 dBA Medium, 27 dBA Low Sound Level, Ceiling Mounting, 22-3/4 in Overall Width, 10-1/4 in Overall Height, For Use With: Multi-Zone Outdoor Unit